diff --git a/src/Concerns/LogReader/KeepsInstances.php b/src/Concerns/LogReader/KeepsInstances.php
index 5ebc31ce..8e4760e1 100644
--- a/src/Concerns/LogReader/KeepsInstances.php
+++ b/src/Concerns/LogReader/KeepsInstances.php
@@ -23,12 +23,22 @@ public static function instance(LogFile $file): static
     public static function clearInstance(LogFile $file): void
     {
         if (isset(static::$_instances[$file->path])) {
+            if (method_exists(static::$_instances[$file->path], 'closeFile')) {
+                static::$_instances[$file->path]->closeFile();
+            }
+
             unset(static::$_instances[$file->path]);
         }
     }
 
     public static function clearInstances(): void
     {
+        foreach (static::$_instances as $instance) {
+            if (method_exists($instance, 'closeFile')) {
+                $instance->closeFile();
+            }
+        }
+
         static::$_instances = [];
     }
 }
diff --git a/src/LogTypeRegistrar.php b/src/LogTypeRegistrar.php
index 754cf243..b572cbd4 100644
--- a/src/LogTypeRegistrar.php
+++ b/src/LogTypeRegistrar.php
@@ -114,6 +114,6 @@ public function guessTypeFromFileName(LogFile $file): ?string
     protected function isPossiblyLaravelLogFile(string $fileName): bool
     {
         return $fileName === 'laravel.log'
-            || preg_match('/laravel-\d{4}-\d{2}-\d{2}\.log/', $fileName);
+            || preg_match('/^laravel-.+\.log$/', $fileName);
     }
 }
diff --git a/tests/Pest.php b/tests/Pest.php
index a89d8a9b..3664fe4d 100644
--- a/tests/Pest.php
+++ b/tests/Pest.php
@@ -79,6 +79,9 @@ function dummyLogData(?int $lines = null, string $type = LogType::LARAVEL): stri
 
 function clearGeneratedLogFiles(): void
 {
+    $logReaderClass = \Opcodes\LogViewer\Facades\LogViewer::logReaderClass();
+    $logReaderClass::clearInstances();
+
     File::cleanDirectory(storage_path('logs'));
     clearstatcache();
 }
diff --git a/tests/Unit/LogTypeRegistrarTest.php b/tests/Unit/LogTypeRegistrarTest.php
new file mode 100644
index 00000000..351ce4f1
--- /dev/null
+++ b/tests/Unit/LogTypeRegistrarTest.php
@@ -0,0 +1,92 @@
+<?php
+
+use Opcodes\LogViewer\Logs\LogType;
+use Opcodes\LogViewer\LogTypeRegistrar;
+
+beforeEach(function () {
+    $this->registrar = new LogTypeRegistrar;
+});
+
+test('laravel.log is detected as Laravel log', function () {
+    $logFile = generateLogFile('laravel.log');
+    $type = $this->registrar->guessTypeFromFileName($logFile);
+
+    expect($type)->toBe(LogType::LARAVEL);
+});
+
+test('laravel-YYYY-MM-DD.log is detected as Laravel log', function () {
+    $logFile = generateLogFile('laravel-2024-01-16.log');
+    $type = $this->registrar->guessTypeFromFileName($logFile);
+
+    expect($type)->toBe(LogType::LARAVEL);
+});
+
+test('laravel-mychannel.log is detected as Laravel log', function () {
+    $logFile = generateLogFile('laravel-mychannel.log');
+    $type = $this->registrar->guessTypeFromFileName($logFile);
+
+    expect($type)->toBe(LogType::LARAVEL);
+});
+
+test('laravel-anything.log is detected as Laravel log', function () {
+    $logFile = generateLogFile('laravel-anything.log');
+    $type = $this->registrar->guessTypeFromFileName($logFile);
+
+    expect($type)->toBe(LogType::LARAVEL);
+});
+
+test('laravel-errors.log is detected as Laravel log', function () {
+    $logFile = generateLogFile('laravel-errors.log');
+    $type = $this->registrar->guessTypeFromFileName($logFile);
+
+    expect($type)->toBe(LogType::LARAVEL);
+});
+
+test('php-fpm.log is detected as PHP-FPM log', function () {
+    $logFile = generateLogFile('php-fpm.log');
+    $type = $this->registrar->guessTypeFromFileName($logFile);
+
+    expect($type)->toBe(LogType::PHP_FPM);
+});
+
+test('access.log is detected as HTTP access log', function () {
+    $logFile = generateLogFile('access.log');
+    $type = $this->registrar->guessTypeFromFileName($logFile);
+
+    expect($type)->toBe(LogType::HTTP_ACCESS);
+});
+
+test('postgres.log is detected as Postgres log', function () {
+    $logFile = generateLogFile('postgres.log');
+    $type = $this->registrar->guessTypeFromFileName($logFile);
+
+    expect($type)->toBe(LogType::POSTGRES);
+});
+
+test('redis.log is detected as Redis log', function () {
+    $logFile = generateLogFile('redis.log');
+    $type = $this->registrar->guessTypeFromFileName($logFile);
+
+    expect($type)->toBe(LogType::REDIS);
+});
+
+test('supervisor.log is detected as Supervisor log', function () {
+    $logFile = generateLogFile('supervisor.log');
+    $type = $this->registrar->guessTypeFromFileName($logFile);
+
+    expect($type)->toBe(LogType::SUPERVISOR);
+});
+
+test('unknown.log returns null', function () {
+    $logFile = generateLogFile('unknown.log');
+    $type = $this->registrar->guessTypeFromFileName($logFile);
+
+    expect($type)->toBeNull();
+});
+
+test('custom.log returns null', function () {
+    $logFile = generateLogFile('custom.log');
+    $type = $this->registrar->guessTypeFromFileName($logFile);
+
+    expect($type)->toBeNull();
+});